package com.twu.biblioteca;

import java.util.Iterator;

/**
 * Created with IntelliJ IDEA.
 * User: mini server
 * Date: 9/20/13
 * Time: 11:20 AM
 * To change this template use File | Settings | File Templates.
 */
public interface Inventory
{
    static int BOOK_INVENTORY = 0;
    static int MOVIE_INVENTORY = 1;

    int numOfItemsInInventory();
    int typeOfInventory();
    Iterator returnIterator();          // Don't know how to tell this method for now.
    String list();
    boolean reserveAnItem(String id);
}
